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* UC IRVINE (5-16, 1-10) at CAL STATE FULLERTON (11-10, 5-6), 7, KUCI-FM (88.9), KWRM (1370, delayed 8)--The Titans face the prospect of playing the rest of the season without point guard Kenroy Jarrett. Jarrett, sidelined because of a broken bone in his right hand, has averaged 10 points and a team-high 36 minutes. The best news for the Titans is that they are back home, where they are 9-1, and play an Irvine team that has lost 10 consecutive games. The Titans beat the Anteaters a week ago, 64-47.